Earlier quoted context omitted.
I have no idea what "4.9 level" means. When I used to use uber (before it stopped working reliably in the UK about 5 years ago) they would ask me "how many stars" on a range of 1-5. There was no indication of what this meant or how to judge it. Presumably the idea is that the star ratings are relative and follow a normal distribution, so most are in the middle (say about 70% between 2 /could be better and 4 /really g…
Most of the general population have no idea what a normal distribution is. You have to put yourself into a common mindset to figure out the meaning of things designed for the general population. It doesn't need to be explained because half the population is too dumb to understand a written explaination anyway. 5 means they did good, anything less means you have complaints that you think are serious enough to warrant…
How do you say someone did a better than expected job if the "baseline" is 5?
If they expect the normal to be 5, why give 1-4 as options. Why not "good" and "bad"
Not to mention the cultural differences between countries. While America loves being over-the-top with fake "oh you are so awesome", other countries (say Japan and the UK) are far more reserved.